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J.T. Makanga, D. Shitanda, C. Njoroge and M.G. Ong’era “Application of Renewable Energies for Storage of Horticultural Produce in Marginal Areas of Kenya: The Performance Evaluation of a Prototype Solar-Charcoal Cooler”. International Journal of Science and Technology, ISSN 2321 – 919X, Volume 4 Issue No. 12 Pages 115 – 124, December 2016.Nathan A. Bogonko, Thomas Thoruwa, M.C.Z. Moturi and James T. Makanga “Assessing the Effect of an Exhaust Fan on the Performance of a Rice Husk Fuelled Flat Bed paddy Dryer”. International Journal of Science and Technology, ISSN 2321 – 919X, Volume 3 Issue No. 8 Pages 102 – 106, August 2015.

  1. Kinyanjui, J.T. Makanga and J.J. Kitetu “Production of biodiesel from animal fats and evaluating its potential as an alternative fuel”. Journal of Agriculture, Science and Technology (JAGST) Volume 17 (1) 2015.

J.T. Makanga and Eric N. Ngondi “Status and Constraints of Wind Energy Resources Utilization in Kenya. Presented at the International workshop on small wind energy devices for developing countries. September 14-16  2009 AICAD, JKUAT, Kenya.

J.T. Makanga, D. Shitanda and C. Njoroge “Development of a solar- charcoal cooler for storage of farm produce in marginal areas of Kenya.” Presented at the first biannual JKUAT funded research Projects seminar, 21-22 August 2008, JKUAT, Kenya.

J.T. Makanga, “Tractor Wheel Compaction on Clay Soil and Its Effects on Crop Production”. Presented during the Fourth International Conference on Environmental Science and Technology. 28th – 31st July 2008, Wyndham Greenspoint Hotel, Houston, Texas, USA.

J.T. Makanga, J. Nozaka, D.M. Mburu and A. Anyangu “Effect of Tractor Wheel Soil Compaction on Crop Growth and Yield: A Maize and Beans Case Study. Presented during the 2007 JKUAT Scientific, Technological and         Industrialization Conference.

J.T. Makanga, V.M. Salokhe and D. Gee-Clough “Soil Failure and Force Behaviour as Influenced by Tillage Machinery”. Accepted for Presentation during the 2002 Asia International Agricultural engineering Conference,held in China.

J.T. Makanga, J. Nozaka, D.M. Mburu and A.Anyangu “Effects of Tractor wheel Compaction on Maize and Beans Growth and Yield. Submitted to “Support Africa International” for purposes of the 2000 Agricultural Award.

J.T. Makanga, V.M. Salokhe and D. Gee-Clough “Deformation and Force Characteristics Caused by Inclined Tines in Loam Soil Below Liquid Limit. Part II: Force Characteristics.  Presented during the 2001 KSAE Conference,Nairobi, Kenya.

J.T. Makanga, V.M. Salokhe and D. Gee-Clough “Variations in Soil Deformation and Force Characteristics in Tillage Operations”. A review and Personal Experience. Presented at the 2000 KSAE Conference, October, Nairobi, Kenya.

J.T. Makanga, V.M. Salokhe and D. Gee-Clough “Deformation and Force Characteristics Caused by Inclined Tines in Loam Soil Below Liquid Limit. Part I: Deformation Characteristics”. Proceedings of the 8th  to 9th June 2000  JKUAT Mechanical Engineering 6th Annual Seminar.

J.T. Makanga, “Effect of moisture content on soil failure and force characteristics caused by  inclined tines in loam soil.” Presented at the 1997  Kenya Society of Agricultural  Engineers (KSAE) Conference, Milimani Hotel, Nairobi, Kenya.

J.T. Makanga, V.M. Salokhe and D. Gee-Clough “Preliminary investigations into the effect of tine rake angle on soil failure patterns in dry  loam soil”. Presented at the Japanese Society of  Agricultural Machinery (JSAM) Conference, March 1997, Tsukuba, Japan.

Kigira, F.K., Gathenya, J.M., Home, and P.G. Assessment of the Impact of Different vegetation as Riparian Zones in controlling nutrients flow into water bodies, (Nile Water Science and Engineers Journal, Vol 10, issue 1, 2017.)

Kigira, F.K., Gathenya, J.M., Home, and P.G., To assess the impact of land use change on nutrients flow and to establish the level of key pollutants of Nyangores. (Nile Water Science & Engineering Journal, Vol. 8Issue 2, 2015)

Kigira, F.K., Gathenya, J.M., Home, and P.G., Modeling the influence of land use/land cover changes on hydrology and sediment yield of Thika River catchment using SWAT model. (Nile Basin Water Science and Engineering Journal, Vol, 3 issue 3,2010

Mirara, S.W., Septien, S., Velkushanova, K., Singh A., Buckey, C.A. Drying and Pasteurization of Faecal Sludge from VIP latrines in an Infrared Radiation process ( under review)

Septien.S, Singh,A., Mirara S.W., Makununika, B, Teba L., Velkushanova K., Buckley C.A., Overview of a Medium Wave Infrared Process, ‘LaDePa’, for Drying and pasteurisation of Faecal Sludge from VIP latrines, 4th YWP-ZA Biennial and 1st African YWP Conference. Pretoria, South Africa, November 16-18, 2015(article available in proceeding).

Xiangmei M., Martijn S., Mirara S. & Wiebren D., Jong. 2014. Experimental Study of Drying Different Sludges Using a Belt-Mir Ladepa Dryer. European Biomass Conference and Exhibition  Delft, Netherlands.

Septien, S., Singh, A., Mirara, S.W., Teba, L., Velkushanova, K., Buckley, C.A. ‘LaDePa’ Process for the Drying and Pasteurisation of Faecal Sludge from VIP Latrines using infrared radiation South African Journal of Chemical Engineering Elsevier, B.V., Radarweg 29, 1043 NX Amsterdam, The Netherlands (under review)

Riungu J., Ronteltap, M., van Lier, J.B. 2018. Build-up and impact of volatile fatty acids on E. coli an A. lumbricoides during co-digestion of urine diverting dehydrating toilet (UDDT-F) faeces. J Environ Manage, 215, 22-31.

Riungu J., Ronteltap, M., van Lier, J.B. 2018. Volatile fatty acids (VFA) build-up and its effect on E. coli inactivation during excreta stabilisation in single-stage and two- stage systems. Journal of Water Sanitation and Hygiene for Development. 10.2166/washdev.2018.160.

Riungu J. N., Ronteltap M., Van Lier J. B. Biochemical energy recovery during anaerobic stabilization of Urine Diverting Dehydrating Toilet Faeces (UDDT-F) in urban poor settlements: single vs two stage.  (In press)

Riungu J. N., Ronteltap M., Van Lier J. B. An evaluation of the limitations of slum sanitation chain. 3rd IWA development congresss and exhibition, conference proceedings. (14th-17th October 2014), Nairobi, Kenya.

Riungu N.J, Hesampour M., Pihlajamaki A., Manttari M., Home P. G., Removal of pesticides from water by Nanofiltration, Environmental Science and Engineering, USA.

Riungu N.J, Home P. G. and G. M. Ndegwa, Removal of natural organic matter from water; effect of TiO2 catalyst, Environmental Science and Engineering, USA

  1. Osuto, H. A. Ouma and E. N. Ndungu, “Vision Based Road Traffic Density Estimation and Vehicle Classification for Stationary and Moving Traffic Scenes during Daytime,” Journal of Sustainable Research in Engineering, vol. 2, no. 3, pp. 100-110, 2015.

Welma  Nyabuto,  C.  Maina,  and  P.  Kihato,  “Dynamic  Voltage  Stability  Analysis  on Shore-to-Ship  Power Connected System,” Int. J. Eng. Res. Technol., vol. 11, no.7, pp. 1051–1066, 2018

ATTENDED CONFERENCES AND PRESENTATIONS

Kigira, F.K., Gathenya, J.M., Home, and P.G., To assess the impact of land use change on nutrients flow and to establish the level of key pollutants of Nyangores River. Paper presented on the 10th JKUAT Scientific,Technological and Industrialisation conference and exhibitions. 12th – 13th November 2015.

Kigira, F.K., Gathenya, J.M., Home, and P.G., 2008: Modeling the influence of land use changes on hydrology and sediment yield in a river catchment using SWAT model. Paper presented at 3rd International conference on Appropriate Technology, 12th-15th November, 2008, Kigali Rwanda.

Kigira, F.K., Gathenya, J.M., and Home, P.G., 2007: Modeling the influence of land use changes on hydrology and sediment yield in Thika River catchment using SWAT model. Proceeding of 2007 JKUAT Scientific, Technological and Industrialization conference, 25-26 October 2007, Kenya.

Riungu J. N., Ronteltap M., Van Lier J. B. Simultaneous stabilization and hygienization of faecal matter from poor urban settlements applying co-digestion in plug-flow digester systems. AD conference, TU Delft, Netherlands

Riungu J. N., Ronteltap M., Van Lier J. B. Pathogen inactivation during anaerobic stabilization of human feaces in two stage reactor setup. 41st WEDC International Conference. Egerton University, Kenya

Riungu J. N., Ronteltap M., Van Lier J. B. An evaluation of the limitations of slum sanitation chain. 3rd IWA development congresss and exhibition (14th-17th October 2014), Nairobi, Kenya.

Riungu J. N., Ronteltap M., Van Lier J. B. Assessing the bio-methane potential (BMP) and concomitant pathogen removal of UDDT faeces with(out) additional organic substrates. 3rd Feacal sludge management conference (17th-22nd Jan 2015), Hanoi, Vietnam

Riungu J. N., Ronteltap M., Van Lier J. B. Impact of VFA on Ascaris lumbricoides and E. coli deactivation during stabilization of UDDT faeces with/without organic substrates. AFWA development congress and exhibition (21st-25th Feb 2016), Nairobi, Kenya.

Riungu J. N., Ronteltap M., Van Lier J. B. Assessing the potential for methane production and pathogen reduction from UDDT waste with/without organic substrates: Laboratory and pilot scale study results. Chennai, India 17th-21st February 2017.

Riungu J. N., Ronteltap M., Van Lier J. B. Hygienisation of human waste in anaerobic treatment – making use of intrinsic processes, IWA Development Congress, 13th-16th November 2017, Buenos Aires, Argentina.

Riungu N.J, Hesampour M., Pihlajamaki A., Manttari M., Home P. G., Mwangi H., Effect of two different kinds of photocatalysts (TiO2) on decomposition and ultrafiltration of humic acid. IWA regional conference and exhibition on membrane technology and water reuse –Istanbul, Turkey, 2009

Riungu N.J, Hesampour M., Pihlajamaki A., Manttari M., Home P. G., Investigating removal of pesticides from water by Nanofiltration Membrane Technology, Fifth JKUAT Technological and Industrialization Conference, 2010

A. Osuto, H. A. Ouma and E. N. Ndungu, “Automatic Road Traffic Density Estimation Using Image Processing Algorithms,” in Sustainable Research and Innovation (Sri) Conference, Nairobi, Kenya, pp. 80-86, 4th– 6th May 2016.